Created attachment 658307 [details]
dmesg-4.3.0-2.txt
current TW 20151202 on Esprimo Mobile M9400.
There are several WARN_ON()s in dmesg, they dont seem to cause any trouble. I
just noticed them now, perhaps new in kernel 4.3.
[ 49.901559] WARNING: CPU: 0 PID: 1174 at ../drivers/gpu/drm/drm_atomic.c:491
drm_atomic_check_only+0x46e/0x540 [drm]()
[ 49.901562] Modules linked in: fuse af_packet xfs libcrc32c
snd_hda_codec_realtek snd_hda_codec_generic btrfs snd_hda_intel xor
snd_hda_codec snd_hda_core snd_hwdep raid6_pq arc4 snd_pcm snd_timer dm_mod snd
ath5k ath mac80211 acpi_cpufreq ppdev iTCO_wdt iTCO_vendor_support cfg80211
rfkill soundcore lpc_ich mfd_core acpi_als kfifo_buf i2c_i801 joydev
industrialio parport_pc shpchp parport processor 8250_fintek coretemp pcspkr
thermal battery fan ac sr_mod cdrom ata_generic uas usb_storage ata_piix
serio_raw i915 i2c_algo_bit drm_kms_helper sky2 syscopyarea sysfillrect
sysimgblt fb_sys_fops ehci_pci drm uhci_hcd ehci_hcd usbcore usb_common fjes
video button sg
[ 49.901634] CPU: 0 PID: 1174 Comm: X Tainted: G W
4.3.0-2-default #1
[ 49.901637] Hardware name: FUJITSU SIEMENS ESPRIMO Mobile M9400/M11D, BIOS
1.06 - R059 - 1566 04/22/2008
[ 49.901639] ffffffffa00f32b8 ffff8800b945b9b8 ffffffff81363719
0000000000000000
[ 49.901643] ffff8800b945b9f0 ffffffff81068cf2 ffff8800b86cc000
ffff8800b901b000
[ 49.901647] 0000000000000001 0000000000000000 ffff8800b92d4c00
ffff8800b945ba00
[ 49.901651] Call Trace:
[ 49.901666] [<ffffffff81008385>] try_stack_unwind+0x175/0x190
[ 49.901674] [<ffffffff81007203>] dump_trace+0x93/0x3a0
[ 49.901678] [<ffffffff810083eb>] show_trace_log_lvl+0x4b/0x60
[ 49.901682] [<ffffffff8100761c>] show_stack_log_lvl+0x10c/0x180
[ 49.901686] [<ffffffff81008485>] show_stack+0x25/0x50
[ 49.901692] [<ffffffff81363719>] dump_stack+0x4b/0x72
[ 49.901699] [<ffffffff81068cf2>] warn_slowpath_common+0x82/0xc0
[ 49.901704] [<ffffffff81068dea>] warn_slowpath_null+0x1a/0x20
[ 49.901722] [<ffffffffa00dc37e>] drm_atomic_check_only+0x46e/0x540 [drm]
[ 49.901757] [<ffffffffa00dc467>] drm_atomic_commit+0x17/0x60 [drm]
[ 49.901807] [<ffffffffa022ad25>] intel_get_load_detect_pipe+0x3d5/0x530
[i915]
[ 49.901840] [<ffffffffa026102d>] intel_tv_detect+0x13d/0x5d0 [i915]
[ 49.901853] [<ffffffffa0167c35>]
drm_helper_probe_single_connector_modes_merge_bits+0x235/0x4d0 [drm_kms_helper]
[ 49.901863] [<ffffffffa0167ee3>]
drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[ 49.901880] [<ffffffffa00cf83f>] drm_mode_getconnector+0x31f/0x370 [drm]
[ 49.901894] [<ffffffffa00c1458>] drm_ioctl+0x138/0x500 [drm]
[ 49.901900] [<ffffffff811f5645>] do_vfs_ioctl+0x285/0x460
[ 49.901909] [<ffffffff811f5899>] SyS_ioctl+0x79/0x90
[ 49.901916] [<ffffffff8166e4b6>] entry_SYSCALL_64_fastpath+0x16/0x75
[ 49.904478] DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x16/0x75